Attempts to guess your opponents HS deck.

guess.py

from bs4 import BeautifulSoup
from urllib.request import urlopen
import re
import pickle
import sys
from colorama import Fore, Back, Style, init
init()

decks = list()

def parseDeckPage(url):
	soup = BeautifulSoup(urlopen(url).read(), "html.parser")
	deckLinks = list()
	
	for a in soup.find_all("a"):
		link = a.get("href")
		if link is None: continue

		if "decks/" in link:
			deckLinks.append("http://www.hearthpwn.com" + link)
	return deckLinks

def parseDeck(url):
	soup = BeautifulSoup(urlopen(url).read(), "html.parser")

	deck = dict()
	deck["name"] = soup.find("title").contents[0][0:-21]
	deck["cards"] = list()
	print("Parsing: " + deck["name"])

	for a in soup.find_all("a"):
		link = a.get("href")
		count = a.get("data-count")

		if link is not None and count is not None:
			if "cards/" in link:
				deck["cards"].append(a.contents[0].strip())
				if count == "2": deck["cards"].append(a.contents[0].strip())

	return deck

def addDeck(newDeck):
	global decks
	add = True
	for d in decks:
		if d["name"] == newDeck["name"]:
			add = False
			break

	if add: decks.append(newDeck)

def readdb():
	global decks
	f = open("db", "rb")
	decks = pickle.load(f)
	f.close()

def writedb():
	global decks
	f = open("db", "wb")
	pickle.dump(decks, f)
	f.close()

def resetdb():
	global decks
	decks = list()
	writedb()
	updatedb()

def addpagedb(url):
	links = parseDeckPage(url)

	for l in links:
		newDeck = parseDeck(l)
		addDeck(newDeck)
	writedb()

def updatedb():
	readdb()
	# Top 3 pages
	addpagedb("http://www.hearthpwn.com/decks")
	addpagedb("http://www.hearthpwn.com/decks?filter-deck-tag=1&page=2")
	addpagedb("http://www.hearthpwn.com/decks?filter-deck-tag=1&page=3")
	addpagedb("http://www.hearthpwn.com/decks?filter-deck-tag=1&filter-class=4") 
	addpagedb("http://www.hearthpwn.com/decks?filter-deck-tag=1&filter-class=8") 
	addpagedb("http://www.hearthpwn.com/decks?filter-deck-tag=1&filter-class=32") 
	addpagedb("http://www.hearthpwn.com/decks?filter-deck-tag=1&filter-class=64") 
	addpagedb("http://www.hearthpwn.com/decks?filter-deck-tag=1&filter-class=128") 
	addpagedb("http://www.hearthpwn.com/decks?filter-deck-tag=1&filter-class=256") 
	addpagedb("http://www.hearthpwn.com/decks?filter-deck-tag=1&filter-class=512") 
	addpagedb("http://www.hearthpwn.com/decks?filter-deck-tag=1&filter-class=1024") 

if sys.argv[-1] == "--update":
	resetdb()
readdb()
# updatedb()
# addpagedb("http://www.hearthpwn.com/decks?filter-search=basic&filter-deck-tag=1&filter-class=16") # Basic Mage 
# addpagedb("http://www.hearthpwn.com/decks?filter-search=basic&filter-deck-tag=1&filter-class=1024") # Basic Warrior

print(str(len(decks)) + " Decks loaded.\n")

f = open("Hearthstone_Data/output_log.txt", "r")

allEnemyPlays = list()

while True:
	line = f.readline()
	if "START waiting for zone FRIENDLY PLAY (Hero)" in line: allEnemyPlays = list()
	if line == "": break
	if line.find("OPPOSING HAND ->") != -1:
		if "name=" not in line: continue

		nameStart = line.find("name=")+5
		nameEnd = line.find("id=", nameStart)-1
		name = line[nameStart:nameEnd]
		allEnemyPlays.append(name)

stats = list()
for deck in decks:
	matchingCards = 0
	for deckCard in deck["cards"]:
		for enemyCard in allEnemyPlays:
			if (enemyCard == deckCard):
				matchingCards += 1
				continue

	stats.append((deck, matchingCards))

stats.sort(key=lambda s: s[1], reverse=True)

def printDeck(deck, plays, matching):
	print(str(round(matching/2/30*100)) + "% - " + deck["name"])

	prevCardName = None
	for i in range(0, len(deck["cards"])):
		cardName = deck["cards"][i]
		nextCardName = None
		if (len(deck["cards"]) > i+1): nextCardName = deck["cards"][i+1]

		if prevCardName == cardName: continue

		theyHave = 1
		if cardName == nextCardName: theyHave = 2
		theyUsed = plays.count(cardName)

		mainInRed = (theyUsed == 1 and theyHave == 1) or (theyUsed == 2 and theyHave == 2)
		twoInRed = theyUsed == 1 or mainInRed

		print(Fore.RESET, end="")
		if mainInRed: print(Fore.RED, end="")
		print(cardName, end="")
		print(Fore.RESET, end="")
		
		if theyHave == 2:
			if twoInRed: print(Fore.RED, end="")
			print(" x2")
			print(Fore.RESET, end="")
		else:
			print("")

		prevCardName = cardName

for i in range(0, 1):
	printDeck(stats[i][0], allEnemyPlays, stats[i][1])
	print("\n")

print("Enemy plays: " + str(allEnemyPlays))

f.close()